Minister, the traditional allocation of executive responsibilities has always been so determined as to liberate the ministerial incumbent from the administrative minutiae by devolving the managerial functions to those whose experience and qualifications have better formed them for the performance of such humble offices, thereby releasing their political overlords for the more onerous duties and profound deliberations which are the inevitable concomitant of their exalted position.
Source: Sir Humphrey Appleby; Yes, Minister – BBC TV, 1982